TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 267 of 524

TM 5-2330-378-14&P

5-3.

MIDDLEAXLEREPLACEMENT(M870)(continued).

13.

Remove screw (10), spacer (11), and nut (12) from

4

equalizing beam (4). Repeat for other three equalizing

beams (4).

12

WARNING

Keep fingers from between equalizing

beam and spring end while balancing

axle as it is lowered.

Failure to do so

could result in injury to personnel.

14.

While two assistants balance axle (6) and two spring assemblies

(7), lower axle (6) and spring assemblies and pull them out

from under semitrailer.

Put axle (6) and two spring assemblies

(7) on blocking that allows access to bottom of axle (6), and

11

remove dolly jack.

15.

Remove four nuts (13) and washers (14) from two U-bolts (15) and spring clamp plate (16).

16.

Remove two U-bolts (15) and spring clamp plate (16) from axle (6) and spring assembly (7).

17.

Repeat steps 15 and 16 for other end of axle (6). Using hydraulic hand jack, lift axle (6) off of two spring

assemblies (7).

18.

Remove screw (17) from axle ring (18). Slide axle ring (18) off of axle (6). Repeat for other end of axle (6).

6

0

17

15

0

18

Iblies

TI out

iblies

and

16

7

14

14

13

5-5